• McDonald Patafta & Associates Lawyers

    Operating in Laos since 2008, McDonald Patafta & Associates Lawyers (formerly Arion Legal) provides focused, results orientated, and cost effective legal and tax services to foreign and Lao investors.
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McDonald Patafta & Associates Lawyers (formerly Arion Legal) provides international standard legal and tax advice and documentation for foreign investors operating in, or looking to invest in, the Lao PDR. With extensive commercial legal and tax experience our senior Lao and foreign lawyers and tax advisors take a practical and problem solving approach to their work, whilst maintaining a high level of integrity in all dealings.

Foreign Investment

Energy & Natural Resources

Exploration & Mining

Our Approach

Global Scale + Local Presence

Our Services

Foreign Investment

We assist foreign investors in securitising all levels of investment including property, project and corporate investments. We support investors in facilitating solutions to safeguard investments and assets in a risk-mitigating and cost-efficient manner. 

Energy & Mining

We bring a wealth of experience and strong local and international connections to offer solution focused support to clients. Our team has acted on various hydropower and infrastructure projects and we will work with you to achieve your objectives.  

Corporate & Commercial

We help a diverse client base facilitate corporate and commercial solutions. We support clients in all stages of development and operations, from enterprise registration and land transactions to assisting with complex, international deals.


We provide a full range of professional services across all areas of taxation from assistance with monthly tax returns and declarations through to the provision of complex tax analysis and advice.

Infrastructure & Construction

We offer support at all levels and stages of infrastructure and construction projects. We can assist with due diligence, licencing and preparation of documentation to meet your requirements.

Project Finance

We have significant experience in project financing and regularly act for local and international corporations and lenders in relation to numerous large-scale projects located in Lao PDR.

Meet the Team

Mike McDonald

Mike McDonald

Managing Director
Kaz Patafta

Kaz Patafta

Bou Liemphrachanh

Bou Liemphrachanh

Deputy Director
Khamkong Liemphrachanh

Khamkong Liemphrachanh

Senior Counsel

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